Smelling salt is the most commonly used refreshing artifact in sports venues, also known as "staghorn wine". It is a medicine made of ammonium carbonate and spices. After smelling it, it can restore or stimulate, and can be used to relieve coma or headache.

Its active ingredient is a colorless crystal. Ammonia gas released by olfactory salt will stimulate the mucosa of human respiratory organs (nose, lungs, etc.). ), it will aggravate breathing and wake people up.